I.R.I.S. IRISPen Executive 6 for Mac - Manual (Page 54)

IRISPen Executive 6 - User's guide
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Save...
You can save your custom settings in a file, rather than save them as
the default settings. You can save as many custom settings as you
wish. At any moment in time, you will be able to reopen any of
them.
When quitting and reopening the IRISPen, the application will open
again with the default settings.
Open...
This option offers to reopen any of the custom settings saved in a
file.
Restore Factory Settings
At any moment in time, you can restore the factory settings, i.e. the
default settings as they were set when running the IRISPen for the
first time. If you want to keep the factory settings as default
settings, click Save As Default.